DVD and Blu-Ray easter eggs

This is a listing of extra hidden stuff on DVDs which a lot of people will never find...until now.

Flightplan (2005) 3
Four of the Apocalypse (1975) 1
Frankenthumb (2002) 1
Freaky Friday (2003) 1
Friday Night Lights (2004) 1
Friends (1994 TV show) 4
Furry Vengeance (2010) 1
Futurama (1999 TV show) 18
Futurama: Bender's Big Score (2007) 1
Galaxy Quest (1999) 1
The Gambler (2014) 1
The Game Plan (2007) 1
Ginger Snaps (2000) 2
The Girl Next Door (2004) 1
Gladiator (2000) 2
The Godfather (1972) 2
The Godthumb (2002) 1
Good Boy! (2003) 1
The Good, the Bad and the Ugly (1966) 1
Grandma's Boy (2006) 2